diff --git a/kallithea/controllers/files.py b/kallithea/controllers/files.py
--- a/kallithea/controllers/files.py
+++ b/kallithea/controllers/files.py
@@ -569,6 +569,7 @@ class FilesController(BaseRepoController
                 temp_stream = open(archive, 'wb')
                 log.debug('Creating new temp archive in %s' % archive)
                 cs.fill_archive(stream=temp_stream, kind=fileformat, subrepos=subrepos)
+                temp_stream.close()
                 if not subrepos and archive_cache_enabled:
                     #if we generated the archive and use cache rename that
                     log.debug('Storing new archive in %s' % cached_archive_path)